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maintenance
instructions
air
cleaner
CAUTION:
If
air
cleaner
becomes
too
dirty,
engine
will
not
receive
sufficient
air
to
run
properly.
Symp-
toms.
Loss
of
power,
flooding,
hard
to
start
and
over-
heating.
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POLYURETHANE
PRE-CLEANER
HOSE
INTAKE
FIG.
1'3
This
engine
is
equipped
with
a
paper
element
and
'J
polyurethane
precleaner
that
must
be
removed,
clean-
ed
and
oiled
every
25
hours
of
operation,
or
more
under
extremely
dusty
conditions.
1.
WASH
2
SQUEEZE
DRY
3.
COAT
WITH
OIL
4.
INSTALL
FIG.
14
To
clean
pre-cleaner
wash
in
water
and
detergent
referring
to
Figure
14.
Remove
excess
water
by
squeezing
like
a
sponge
and
allow
to
dry
tho-
roughly.
Distribute
three
tablespoons
of
SAE
30
eng
ine
0 i I
even
Iy
around
the
pre-c
leaner.
Knead
into
and
wring
excess
oi
I
from
pre-cleaner.
2.
Depending
on
conditions
in
which
the
tractor
is
operating,
the
inner
paper
element
should
be
re-
placed
whenever
it
becomes
excessively
dirty.
4824R·7.1.74
- 8 -
CAUTION:
NEVER
RUN
THE
ENGINE
WITH
THE
AIR
CLEANER
REMOVED.
DIRT
WILL
ENTER
THE
ENGINE
AND
SCORE
THE
CY·
LlNDERS.
cooling system
CLEAN
OUT
CHAFF
AND
DIRT
FIG.
15
COOLING
SYSTEM:
Check
and
clean
cooling
fins
at
least
every
50
hours.
Remove
any
dust,
dirt
o'r
oil
which
may
have
accumulated.
Remove
any
chaff
from
rotating
and
stationery
blower
screen.
CAUTION:
Plugged
or
clogged
cooling
fins
or
blower
screens
can
cause
overheating
and
engine
damage.
THIS
TRACTOR
HAS
AN
AIR
COOLED
Et~a
GINE.
AIR
MUST
BE
ABLE
TO
CIRCULATE
FREELY
AROUND
THE
ENGINE,
THROUGH
THE
SCREEN
GUARD
AND
GUARD
(ROTARY
SCREEN),
AND
OVER
THE
FINS
OF
THE
CYLINDER
BLOCK_
KEEP
THESE
AREAS
FREE
OF
ACCUMULATED
DIRT
AND
TRASH
OR
THE
ENGINE
WILL
OVERHEAT
AND
RESULT
IN
DAMAGE
TO
ENGINE
..
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